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Topic 213 · Environment, Climate & Biodiversity

Second range-wide river dolphin survey

10 MCQs · tap an option to check it · All answers

Revise the 12 points first Book 1 RATNA

Core Trigger: In January 2026 the Environment Ministry launched the second rangewide estimation of river and estuarine dolphins from Bijnor, Uttar Pradesh.
Phase One: It covers the Ganga from Bijnor to Ganga Sagar and the Indus population; phase two covers the Brahmaputra, Sundarbans and Odisha.
Coordinator: The Wildlife Institute of India, Dehradun coordinates it with WWF India, Aaranyak and the Wildlife Trust of India.
National Symbol: The Gangetic dolphin has been India's National Aquatic Animal since 2009.
Baseline Data: The first survey, in 2021-23, counted 6,327 river dolphins.
Method: Teams use hydrophones to detect dolphin clicks; Ganges, Indus and Irrawaddy dolphins are covered.
India Link: Project Dolphin, announced by the Prime Minister on 15 August 2020, aims to conserve river and marine dolphins.
Headquarters: The Wildlife Institute of India is based in Dehradun.
Founded: The Wildlife Institute of India was established in 1982 as an autonomous institution under the Environment Ministry.
Landmark: The Vikramshila Gangetic Dolphin Sanctuary in Bihar, set up in 1991, is India's only dolphin sanctuary.
Statute: The Wildlife (Protection) Act, 1972 lists the Gangetic dolphin in Schedule I.
Definition: IUCN's Endangered category means a very high risk of extinction in the wild; river dolphins are Endangered.

Question 1 of 10

From which place was the second rangewide dolphin estimation launched in January 2026?

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Answer: (A) Bijnor

Core Trigger: In January 2026 the Environment Ministry launched the second rangewide estimation of river and estuarine dolphins from Bijnor, Uttar Pradesh.From Book 1 RATNA, topic 213, point 1

Question 2 of 10

Phase two covers the Sundarbans, Odisha and which river?

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Answer: (C) Brahmaputra

Phase One: It covers the Ganga from Bijnor to Ganga Sagar and the Indus population; phase two covers the Brahmaputra, Sundarbans and Odisha.From Book 1 RATNA, topic 213, point 2

Question 3 of 10

Which institute coordinates the second river dolphin survey?

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Answer: (D) Wildlife Institute of India

Coordinator: The Wildlife Institute of India, Dehradun coordinates it with WWF India, Aaranyak and the Wildlife Trust of India.From Book 1 RATNA, topic 213, point 3

Question 4 of 10

The Gangetic dolphin has been India's National Aquatic Animal since which year?

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National Symbol: The Gangetic dolphin has been India's National Aquatic Animal since 2009.From Book 1 RATNA, topic 213, point 4

Question 5 of 10

How many river dolphins did the first survey of 2021-23 count?

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Answer: (A) 6,327

Baseline Data: The first survey, in 2021-23, counted 6,327 river dolphins.From Book 1 RATNA, topic 213, point 5

Question 6 of 10

1. Project Dolphin was announced by the Prime Minister on 15 August 2020. 2. It aims to conserve river and marine dolphins. Which of the following is/are correct?

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Answer: (C) Both 1 and 2

India Link: Project Dolphin, announced by the Prime Minister on 15 August 2020, aims to conserve river and marine dolphins.From Book 1 RATNA, topic 213, point 7

Question 7 of 10

In which city is the Wildlife Institute of India based?

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Answer: (B) Dehradun

Headquarters: The Wildlife Institute of India is based in Dehradun.From Book 1 RATNA, topic 213, point 8

Question 8 of 10

The Wildlife Institute of India was established in which year?

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Answer: (A) 1982

Founded: The Wildlife Institute of India was established in 1982 as an autonomous institution under the Environment Ministry.From Book 1 RATNA, topic 213, point 9

Question 9 of 10

The Vikramshila Gangetic Dolphin Sanctuary, set up in 1991, lies in which State?

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Answer: (B) Bihar

Landmark: The Vikramshila Gangetic Dolphin Sanctuary in Bihar, set up in 1991, is India's only dolphin sanctuary.From Book 1 RATNA, topic 213, point 10

Question 10 of 10

1. The Wildlife (Protection) Act, 1972 lists the Gangetic dolphin in Schedule IV. 2. IUCN lists river dolphins as Critically Endangered. Which of the following is/are correct?

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Answer: (D) Neither 1 nor 2

Statute: The Wildlife (Protection) Act, 1972 lists the Gangetic dolphin in Schedule I. Definition: IUCN's Endangered category means a very high risk of extinction in the wild; river dolphins are Endangered.From Book 1 RATNA, topic 213, point 11, point 12

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